On Tue, Oct 19, 2010 at 6:02 AM, Cyril Chemparathy <cyril@xxxxxx> wrote:
> Hi Victor,
>
> [...]
>> Yes you are right and as I understand gpio_request will give a 0 if it
>> success and because of that the warning never will appear, if there is
>> a problem there will be a -1 and the warning will be printed. I could
>> fix this with a return that breaks the code like this
>>
>> ret = gpio_request(DA850_HAWK_MMCSD_CD_PIN, "MMC CD\n");
>> if (ret) {
>> pr_warning("%s: can not open GPIO %d\n",
>> __func__, DA850_HAWK_MMCSD_CD_PIN);
>> return;
>> }
>> gpio_direction_input(DA850_HAWK_MMCSD_CD_PIN);
>
> I think gpio_request_one() is simpler. This requests the gpio and sets
> it up:
>
> ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN,
> GPIOF_DIR_IN, "MMC CD");
> if (ret < 0) {
> ... failed ...
> }
>
> Regards
> Cyril.
>
Thanks works perfect
Regards
Victor Rodriguez
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